diff --git a/src/lib/parser-cov.cc b/src/lib/parser-cov.cc
index 5539e167..b0b8be4c 100644
--- a/src/lib/parser-cov.cc
+++ b/src/lib/parser-cov.cc
@@ -31,6 +31,9 @@
 
 #include <boost/algorithm/string.hpp>
 
+#define RE_CHECKER_LINE_ANNOT " *\\([^)]+\\)"
+#define RE_CHECKER_LINE_SUFFIX "(?: \\[#def[0-9]+\\])?(?: \\[important\\])?"
+
 namespace CovParserImpl {
 
 class LineReader {
@@ -147,8 +150,10 @@ class ErrFileLexer {
         const RE reComment_ =
             RE("^(#)(.*)$");
 
-        const RE reChecker_ =
-            RE("^Error: *(" RE_CHECKER_NAME ")( *\\([^)]+\\))? *:(?: \\[#def[0-9]+\\])?$");
+        const RE reChecker_ = RE(
+                "^Error: *(" RE_CHECKER_NAME ")"
+                "(" RE_CHECKER_LINE_ANNOT ")? *:"
+                RE_CHECKER_LINE_SUFFIX "$");
 
         const RE reEvent_ =
             RE(/* location */ "^(" RE_PATH ")(?::([0-9]+|<[Uu]nknown>))?(?::([0-9]+))?"
diff --git a/tests/csgrep/0126-cov-parser-imp-flag-args.txt b/tests/csgrep/0126-cov-parser-imp-flag-args.txt
new file mode 100644
index 00000000..7df3c951
--- /dev/null
+++ b/tests/csgrep/0126-cov-parser-imp-flag-args.txt
@@ -0,0 +1 @@
+--mode=json
diff --git a/tests/csgrep/0126-cov-parser-imp-flag-stdin.txt b/tests/csgrep/0126-cov-parser-imp-flag-stdin.txt
new file mode 100644
index 00000000..51fd6176
--- /dev/null
+++ b/tests/csgrep/0126-cov-parser-imp-flag-stdin.txt
@@ -0,0 +1,3 @@
+Error: SIGMA.container_requesting_net_raw (CWE-269): [#def1] [important]
+unpacked_remote_sources/cachito-gomod-with-deps/app/vertical-pod-autoscaler/hack/e2e/k8s-metrics-server.yaml:184: Sigma main event: The Kubernetes container requests the `NET_RAW` capability, either explicitly or by default, granting access to the host's network interfaces.
+unpacked_remote_sources/cachito-gomod-with-deps/app/vertical-pod-autoscaler/hack/e2e/k8s-metrics-server.yaml:184: remediation: Explicitly remove the `NET_RAW` capability for a container by adding either `NET_RAW` or `ALL` to the `securityContext.capabilities.drop` list, avoid adding the `NET_RAW` capability to the `securityContext.capabilities.add` list.
diff --git a/tests/csgrep/0126-cov-parser-imp-flag-stdout.txt b/tests/csgrep/0126-cov-parser-imp-flag-stdout.txt
new file mode 100644
index 00000000..ccd182ea
--- /dev/null
+++ b/tests/csgrep/0126-cov-parser-imp-flag-stdout.txt
@@ -0,0 +1,26 @@
+{
+    "defects": [
+        {
+            "checker": "SIGMA.container_requesting_net_raw",
+            "cwe": 269,
+            "tool": "coverity",
+            "key_event_idx": 0,
+            "events": [
+                {
+                    "file_name": "unpacked_remote_sources/cachito-gomod-with-deps/app/vertical-pod-autoscaler/hack/e2e/k8s-metrics-server.yaml",
+                    "line": 184,
+                    "event": "Sigma main event",
+                    "message": "The Kubernetes container requests the `NET_RAW` capability, either explicitly or by default, granting access to the host's network interfaces.",
+                    "verbosity_level": 0
+                },
+                {
+                    "file_name": "unpacked_remote_sources/cachito-gomod-with-deps/app/vertical-pod-autoscaler/hack/e2e/k8s-metrics-server.yaml",
+                    "line": 184,
+                    "event": "remediation",
+                    "message": "Explicitly remove the `NET_RAW` capability for a container by adding either `NET_RAW` or `ALL` to the `securityContext.capabilities.drop` list, avoid adding the `NET_RAW` capability to the `securityContext.capabilities.add` list.",
+                    "verbosity_level": 1
+                }
+            ]
+        }
+    ]
+}
diff --git a/tests/csgrep/CMakeLists.txt b/tests/csgrep/CMakeLists.txt
index 0eb6b87f..c620ca2f 100644
--- a/tests/csgrep/CMakeLists.txt
+++ b/tests/csgrep/CMakeLists.txt
@@ -169,3 +169,4 @@ test_csgrep("0122-json-parser-cov-v10-column"         )
 test_csgrep("0123-csgrep-hash-v1"                     )
 test_csgrep("0124-sarif-writer-imp"                   )
 test_csgrep("0125-sarif-parser-bom"                   )
+test_csgrep("0126-cov-parser-imp-flag"                )