diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 10388d3d99030172f7e32dc3d5db947525f8c29b..634d37f1fb9eeacbf9d20338b3be5b60158a7ee5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -539,8 +539,8 @@ Debian stable Clang:
 
   variables:
     CC: clang
-    WFLAGS: -Wno-cast-align
-    CFLAGS: -Wno-cast-align
+    WFLAGS: -Wno-cast-align -Wno-implicit-const-int-float-conversion
+    CFLAGS: -Wno-cast-align -Wno-implicit-const-int-float-conversion
     LDFLAGS: -Wl,-fuse-ld=gold
 
   script:
@@ -592,8 +592,8 @@ Debian testing Clang:
 
   variables:
     CC: clang
-    WFLAGS: -Wno-cast-align -Wno-deprecated-non-prototype -Wno-single-bit-bitfield-constant-conversion
-    CFLAGS: -Wno-cast-align -Wno-deprecated-non-prototype -Wno-single-bit-bitfield-constant-conversion
+    WFLAGS: -Wno-cast-align -Wno-implicit-const-int-float-conversion -Wno-deprecated-non-prototype -Wno-single-bit-bitfield-constant-conversion
+    CFLAGS: -Wno-cast-align -Wno-implicit-const-int-float-conversion -Wno-deprecated-non-prototype -Wno-single-bit-bitfield-constant-conversion
     LDFLAGS: -Wl,-fuse-ld=gold
 
 Alpine 3 GCC: