diff --git a/addons/misra.py b/addons/misra.py
index be471efea..498756ccb 100755
--- a/addons/misra.py
+++ b/addons/misra.py
@@ -2320,11 +2320,16 @@ class MisraChecker:
                     else:
                         state_in_string = True
                     pos_search += 1
-                elif exp[pos_search] in directive_args:
-                    skip_next = True  # Skip check for the next argument
-                    break
-                elif exp[pos_search] == arg:
-                    pos_search += 1
+                elif exp[pos_search].isalnum():
+                    word = ""
+                    while pos_search < len(exp) and exp[pos_search].isalnum():
+                        word += exp[pos_search]
+                        pos_search += 1
+                    if word == arg:
+                        pos_search += 1
+                    elif word in directive_args:
+                        skip_next = True
+                        break
                 elif exp[pos_search] == ' ':
                     pos_search += 1
                 elif state_in_string:
diff --git a/addons/test/misra/misra-test.c b/addons/test/misra/misra-test.c
index 74b6ac1b3..8579318f8 100644
--- a/addons/test/misra/misra-test.c
+++ b/addons/test/misra/misra-test.c
@@ -1035,6 +1035,10 @@ union misra_19_2 { }; // 19.2
 #define M_20_7_11(A, B, C) (A " " B " " C)
 #define M_20_7_12(A, B, C) (A " " B + C) // 20.7
 #define M_20_7_13(A, B, C) (A + B " " C) // 20.7
+#define M_20_7_14(STRING1, STRING2) (STRING1 " " STRING2)
+#define M_20_7_15(STRING1, STRING2, STRING3) (STRING1 " " STRING2 " " STRING3)
+#define M_20_7_16(STRING1, STRING2, STRING3) (STRING1 " " STRING2 + STRING3) // 20.7
+#define M_20_7_17(STRING1, STRING2, STRING3) (STRING1 + STRING2 " " STRING3) // 20.7
 
 // Compliant: M is a structure member name, not an expression
 struct { int a; } struct_20_7_s;