diff --git a/software/ivar/consensus/main.nf b/software/ivar/consensus/main.nf
index 63cadf43..05fa13d5 100644
--- a/software/ivar/consensus/main.nf
+++ b/software/ivar/consensus/main.nf
@@ -42,6 +42,6 @@ process IVAR_CONSENSUS {
             $options.args \\
             -p $prefix
 
-    ivar version | head -n1 2>&1 | sed 's/^.*iVar version //g' > ${software}.version.txt
+    echo \$(ivar version 2>&1) | sed 's/^.*iVar version //; s/ .*\$//' > ${software}.version.txt
     """
 }
diff --git a/software/ivar/trim/main.nf b/software/ivar/trim/main.nf
index 4c1c5fbd..03dbdd9a 100644
--- a/software/ivar/trim/main.nf
+++ b/software/ivar/trim/main.nf
@@ -38,6 +38,6 @@ process IVAR_TRIM {
         -p $prefix \\
         > ${prefix}.ivar.log
 
-    ivar version | head -n1 2>&1 | sed 's/^.*iVar version //g' > ${software}.version.txt
+    echo \$(ivar version 2>&1) | sed 's/^.*iVar version //; s/ .*\$//' > ${software}.version.txt
     """
 }
diff --git a/software/ivar/variants/main.nf b/software/ivar/variants/main.nf
index 85ad9463..343536cd 100644
--- a/software/ivar/variants/main.nf
+++ b/software/ivar/variants/main.nf
@@ -45,6 +45,6 @@ process IVAR_VARIANTS {
             -r $fasta \\
             -p $prefix
 
-    ivar version | head -n1 2>&1 | sed 's/^.*iVar version //g' > ${software}.version.txt
+    echo \$(ivar version 2>&1) | sed 's/^.*iVar version //; s/ .*\$//' > ${software}.version.txt
     """
 }