diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 81f1c47732..44bc51b39b 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -373,7 +373,7 @@ jobs:
             CC: clang-20
             CFLAGS: -fsanitize=address,bounds,leak,signed-integer-overflow,undefined -fno-sanitize-recover=address,bounds,leak,signed-integer-overflow,undefined
             LDFLAGS: -fsanitize=address,bounds,leak,signed-integer-overflow,undefined -fno-sanitize-recover=address,bounds,leak,signed-integer-overflow,undefined -ldl -lubsan -Wl,-rpath,/home/linuxbrew/.linuxbrew/opt/c-ares/lib
-            PKG_CONFIG_PATH: "
+            PKG_CONFIG_PATH: "\
               /home/linuxbrew/.linuxbrew/opt/libssh2/lib/pkgconfig:\
               /home/linuxbrew/.linuxbrew/opt/libngtcp2/lib/pkgconfig:\
               /home/linuxbrew/.linuxbrew/opt/libnghttp3/lib/pkgconfig:\