diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 12202b0fe..79c0e51e8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -122,7 +122,7 @@ jobs:
   freebsd:
     name: FreeBSD
     runs-on: ubuntu-latest
-    if: github.event_name != "pull_request"
+    if: github.event_name != 'pull_request'
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -145,7 +145,7 @@ jobs:
   solaris:
     name: Solaris
     runs-on: ubuntu-latest
-    if: github.event_name != "pull_request"
+    if: github.event_name != 'pull_request'
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -160,13 +160,28 @@ jobs:
         with:
           usesh: true
           prepare: |
-            pkg install developer/gcc system/header
+            pkg install developer/make developer/gcc system/header
 
           run: |
             set -e
             ./configure --enable-jit --enable-pcre2-16 --enable-pcre2-32
-            gmake -j3 CPPFLAGS='-Wall -Wextra -Werror'
-            gmake check
+
+            echo "PATH: $PATH"
+            which make
+            which gmake
+            PATH="/usr/xpg4/bin:$PATH"
+            echo "PATH: $PATH"
+            which make
+            which gmake
+            ls -l /usr/xpg4/bin/make
+            ls -l /usr/xpg4/bin/gmake
+            ls -l /usr/bin/make
+            ls -l /usr/bin/gmake
+            ls -l /bin/make
+            ls -l /bin/gmake
+
+            make CPPFLAGS='-Wall -Wextra -Werror'
+            make check
 
   coverage:
     name: Code coverage